--- include/Inventor/SbBasic.h.orig	2012-10-28 16:49:00.000000000 +0100
+++ include/Inventor/SbBasic.h	2012-10-28 16:50:15.000000000 +0100
@@ -25,6 +25,7 @@
 \**************************************************************************/
 
 #include <Inventor/C/basic.h>
+#include <Inventor/C/errors/debugerror.h>
 
 /* ********************************************************************** */
 /* Trap people trying to use Inventor headers while compiling C source code.
